﻿<ResourceDictionary 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:clr="clr-namespace:System;assembly=mscorlib">
    
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="MainTheme.xaml"/>
    </ResourceDictionary.MergedDictionaries>

    <!--Menu  Style-->
    <Style TargetType="{x:Type ContextMenu}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ContextMenu}">
                    <Border CornerRadius="5,5,5,5" BorderThickness="0" Background="{DynamicResource MenuBackground}">
                        <ItemsPresenter Margin="5,5,5,5" KeyboardNavigation.DirectionalNavigation="Cycle"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style  TargetType="{x:Type MenuItem}">
        <Setter Property="Foreground" Value="{DynamicResource MenuItemForeground}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type MenuItem}">
                    <Border x:Name="Border"
                        CornerRadius="5,5,5,5"
                        Padding="3,3,3,3"
                        Background="{DynamicResource MenuItemBackground}"
                        BorderBrush="{DynamicResource MenuItemBackground}"
                        BorderThickness="{TemplateBinding BorderThickness}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition x:Name="Col0" MinWidth="17" Width="Auto" SharedSizeGroup="MenuItemIconColumnGroup"/>
                                <ColumnDefinition Width="Auto" SharedSizeGroup="MenuTextColumnGroup"/>
                                <ColumnDefinition Width="Auto" SharedSizeGroup="MenuItemIGTColumnGroup"/>
                                <ColumnDefinition x:Name="Col3" Width="14"/>
                            </Grid.ColumnDefinitions>

                            <!-- ContentPresenter to show an Icon if needed -->
                            <ContentPresenter Grid.Column="0" Margin="4,0,6,0" x:Name="Icon" VerticalAlignment="Center" ContentSource="Icon"/>

                            <!-- Glyph is a checkmark if needed for a checkable menu -->
                            <Grid Grid.Column="0" Visibility="Hidden" Margin="4,0,6,0" x:Name="GlyphPanel" VerticalAlignment="Center">
                                <Path x:Name="GlyphPanelpath" VerticalAlignment="Center" 
                                  Fill="{DynamicResource MenuItemForeground}" 
                                  Data="M0,2 L0,4.8 L2.5,7.4 L7.1,2.8 L7.1,0 L2.5,4.6 z" 
                                  FlowDirection="LeftToRight"/>
                            </Grid>

                            <!-- Content for the menu text etc -->
                            <ContentPresenter Grid.Column="1"
                                          Margin="{TemplateBinding Padding}"
                                          x:Name="HeaderHost"
                                          RecognizesAccessKey="True"
                                          ContentSource="Header"/>

                            <!-- Content for the menu IGT -->
                            <ContentPresenter Grid.Column="2"
                                          Margin="8,1,8,1"
                                          x:Name="IGTHost"
                                          ContentSource="InputGestureText"
                                          VerticalAlignment="Center"/>

                            <!-- Arrow drawn path which points to the next level of the menu -->
                            <Grid Grid.Column="3" Margin="4,0,6,0" x:Name="ArrowPanel" VerticalAlignment="Center">
                                <Path x:Name="ArrowPanelPath" HorizontalAlignment="Right" VerticalAlignment="Center" 
                                  Fill="{DynamicResource MenuItemForeground}" Data="M0,0 L0,8 L4,4 z"/>
                            </Grid>

                            <!-- The Popup is the body of the menu which expands down or across depending on the level of the item -->
                            <Popup IsOpen="{Binding Path=IsSubmenuOpen, RelativeSource={RelativeSource TemplatedParent}}" 
                               Placement="Right" x:Name="SubMenuPopup" Focusable="false" 
                               PopupAnimation="{DynamicResource {x:Static SystemParameters.MenuPopupAnimationKey}}">
                                <Border x:Name="SubMenuBorder" BorderBrush="{Binding Path=Foreground, 
                                RelativeSource={RelativeSource AncestorType={x:Type Menu}}}" BorderThickness="1" Padding="2,2,2,2">
                                    <Grid x:Name="SubMenu" Grid.IsSharedSizeScope="True">
                                        <!-- StackPanel holds children of the menu. This is set by IsItemsHost=True -->
                                        <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Cycle"/>
                                    </Grid>
                                </Border>
                            </Popup>
                        </Grid>
                    </Border>

                    <!-- These triggers re-configure the four arrangements of MenuItem to show different levels of menu via Role -->
                    <ControlTemplate.Triggers>
                        <!-- Role = TopLevelHeader : this is the root menu item in a menu; the Popup expands down -->
                        <Trigger Property="Role" Value="TopLevelHeader">
                            <Setter Property="Padding" Value="6,1,6,1"/>
                            <Setter Property="Placement" Value="Bottom" TargetName="SubMenuPopup"/>
                            <Setter Property="MinWidth" Value="0" TargetName="Col0"/>
                            <Setter Property="Width" Value="Auto" TargetName="Col3"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="GlyphPanel"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="IGTHost"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/>
                        </Trigger>

                        <!-- Role = TopLevelItem :  this is a child menu item from the top level without any child items-->
                        <Trigger Property="Role" Value="TopLevelItem">
                            <Setter Property="Padding" Value="6,1,6,1"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/>
                        </Trigger>

                        <!-- Role = SubMenuHeader : this is a child menu item which does not have children -->
                        <Trigger Property="Role" Value="SubmenuHeader">
                            <Setter Property="DockPanel.Dock" Value="Top"/>
                            <Setter Property="Padding" Value="0,2,0,2"/>
                        </Trigger>

                        <!-- Role = SubMenuItem : this is a child menu item which has children-->
                        <Trigger Property="Role" Value="SubmenuItem">
                            <Setter Property="DockPanel.Dock" Value="Top"/>
                            <Setter Property="Padding" Value="0,2,0,2"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="ArrowPanel"/>
                        </Trigger>
                        <Trigger Property="IsSuspendingPopupAnimation" Value="true">
                            <Setter Property="PopupAnimation" Value="None" TargetName="SubMenuPopup"/>
                        </Trigger>

                        <!-- If no Icon is present the we collapse the Icon Content -->
                        <Trigger Property="Icon" Value="{x:Null}">
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
                        </Trigger>

                        <!-- The GlyphPanel contains the CheckMark -->
                        <Trigger Property="IsChecked" Value="true">
                            <Setter Property="Visibility" Value="Visible" TargetName="GlyphPanel"/>
                            <Setter Property="Visibility" Value="Collapsed" TargetName="Icon"/>
                        </Trigger>

                        <!-- Using the system colors for the Menu Highlight and IsEnabled-->
                        <Trigger Property="IsHighlighted" Value="true">
                            <Setter Property="Background" Value="{DynamicResource MenuItemHighLighted}" TargetName="Border"/>
                            <Setter Property="Foreground" Value="{DynamicResource MenuItemForegroundInverse}"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="{DynamicResource MenuItemForegroundDisabled}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>



</ResourceDictionary>